SOLUTION: the sides of a right triangle in cm are (x-1),x,(x+1).find the sides of the triangle

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Question 1003742: the sides of a right triangle in cm are (x-1),x,(x+1).find the sides of the triangle
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
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Answer. 3, 4 and 5.

Solution

Solve an equation

%28x-1%29%5E2 + x%5E2 = %28x%2B1%29%5E2.

x%5E2+-+2x+%2B+1 + x%5E2 = x%5E2+%2B+2x+%2B+1,

x%5E2+-+4x = 0 -----> x = 4 (another root, x = 0 doesn't work).